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首页> 外文期刊>Journal of interventional cardiology >Recanalization of complex coronary chronic total occlusions using high-frequency vibrational energy CROSSER catheter as first-line therapy: a single center experience.
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Recanalization of complex coronary chronic total occlusions using high-frequency vibrational energy CROSSER catheter as first-line therapy: a single center experience.

机译：使用高频振动能量CR​​OSSER导管作为一线治疗对复杂的冠状动脉慢性总闭塞进行再通：单中心经验。

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BACKGROUND: Several studies have illustrated the safety and the procedural outcome of high-frequency vibrational energy in guidewire refractory chronic total occlusions (CTOs). AIM: To evaluate the advantage of high-frequency vibrational energy device (CROSSER Catheter) use in coronary complex CTO revascularization as primary strategy. METHODS: CROSSER was used as a primary approach if four or more unfavorable angiographic features were observed in the CTO lesions. RESULTS: From May 2007 to February 2009, a CTO percutaneous intervention attempt was performed in 178 lesions of 171 patients (60.1 +/- 8.9 age with 49.4 +/- 7.2% in ejection fraction). Among these, the CROSSER was used in 46 complex CTO lesions of 45 patients (25.8% of cases) and in the remaining cases, typical CTO percutaneous coronary intervention techniques were employed. Clinical success was 84.8% in CROSSER group. Moreover, in the CROSSER group, no periprocedural myocardial infarction, perforation, or 30 days MACE was observed. In addition, the use of CROSSER was associated with lower time of procedure, time of fluoroscopy, and contrast load administration as compared with conventional techniques [88 +/- 27 minutes vs 109 +/- 38 minutes (P = 0.045), 39 +/- 12 minutes vs 50 +/- 27 minutes (P = 0.032), and 334 +/- 122cc vs 408 +/- 198cc (P = 0.05), respectively]. CONCLUSION: In the present study, the CROSSER System was safe and obtained a high rate of success in complex CTO similar to conventional dedicated guidewire techniques for noncomplex CTO; however, the CROSSER Catheter obtained CTO recanalization with lower contrast load administration, less time of procedure, and lower fluoroscopy exposure.
机译：背景：几项研究已经阐明了高频振动能量在导丝难治性慢性总闭塞（CTO）中的安全性和手术结果。目的：评估高频振动能量设备（CROSSER Catheter）在冠状动脉复杂CTO血管重建中的优势作为主要策略。方法：如果在CTO病变中发现四个或更多不利血管造影特征，则将CROSSER作为主要方法。结果：从2007年5月到2009年2月，对171例患者（178岁，年龄60.1 +/- 8.9，射血分数49.4 +/- 7.2％）进行了CTO经皮介入治疗。其中，CROSSER用于45例患者的46例复杂CTO病变（占25.8％），在其余病例中，采用典型的CTO经皮冠状动脉介入治疗技术。 CROSSER组的临床成功率为84.8％。此外，在CROSSER组中，未观察到围手术期心肌梗塞，穿孔或30天MACE。此外，与传统技术相比，使用CROSSER可以减少手术时间，透视检查时间和造影剂负荷[88 +/- 27分钟vs 109 +/- 38分钟（P = 0.045），39 + /-12分钟与50 +/- 27分钟（P = 0.032）和334 +/- 122cc与408 +/- 198cc（P = 0.05）。结论：在本研究中，CROSSER系统是安全的，并且在复杂CTO中获得了很高的成功率，类似于用于非复杂CTO的常规专用导丝技术。然而，CROSSER导管获得了CTO再通，同时给予了较低的造影剂负荷，更少的手术时间和更低的荧光透视曝光量。

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